Attachment Coordination Report

This document pretains to SES-MOD-20111109-01344 for Modification on a Satellite Earth Station filing.

IBFS_SESMOD2011110901344_925127

FREQUENCY COORDINATION AND INTERFERENCE ANALYSIS REPORT Prepared for Vyvx, LLC - Atlanta ATLANTA, GA E970447 Satellite Earth Station Prepared By: COMSEARCH 19700 Janelia Farm Boulevard Ashburn, VA 20147 November 07, 2011

TABLE OF CONTENTS 1. CONCLUSIONS ............................................................................................................................................ 3 2. SUMMARY OF RESULTS ............................................................................................................................ 4 3. SUPPLEMENTAL SHOWING....................................................................................................................... 5 4. EARTH STATION COORDINATION DATA.................................................................................................. 6 5. CERTIFICATION......................................................................................................................................... 10 Frequency Coordination and Interference Analysis Report 11/07/2011 Page 2 of 10

1. CONCLUSIONS An interference study considering all existing, proposed and prior coordinated microwave facilities within the coordination contours of the proposed earth station demonstrates that this site will operate satisfactorily with the common carrier microwave environment. Further, there will be no restrictions of its operation due to interference considerations. Frequency Coordination and Interference Analysis Report 11/07/2011 Page 3 of 10

2. SUMMARY OF RESULTS A number of great circle interference cases were identified during the interference study of the proposed earth station. Each of the cases, which exceeded the interference objective on a line-of-sight basis, was profiled and the propagation losses estimated using NBS TN101 (Revised) techniques. The losses were found to be sufficient to reduce the signal levels to acceptable magnitudes in every case. The following companies reported potential great circle interference conflicts that did not meet the objectives on a line-of-sight basis. When over-the-horizon losses are considered on the interfering paths, sufficient blockage exists to negate harmful interference from occurring with the proposed transmit-receive earth station. Company Athens Cellular, Inc. Cellco Partnership - Georgia Mkt County of Forsyth COBB COUNTY FULTON, COUNTY OF Norfolk Southern Railway Southwestco Wireless LP (Georgia 5) Verizon Wireless (VAW) LLC (Georgia) No other carriers reported potential interference cases. Frequency Coordination and Interference Analysis Report 11/07/2011 Page 4 of 10

3. SUPPLEMENTAL SHOWING Pursuant to Part 25.203(c) of the FCC Rules and Regulations, the satellite earth station proposed in this application was coordinated by Comsearch using computer techniques and in accordance with Part 25 of the FCC Rules and Regulations. Coordination data for this earth station was sent to the below listed carriers with a letter dated 10/12/2011. Company Alabama Great Southern Railroad Company Allied Wireless Communications Corp. Alltel Communications LLC - Georgia Alltel Communications, LLC - Arkansas Athens Cellular, Inc. Bell Atlantic Mobile Allentown-Verizon W CALHOUN COUNTY COMMISSIONERS CALHOUN, COUNTY OF COBB COUNTY Calhoun, County of - Emergency Managemen Cellco Partnership - Alabama Cellco Partnership - Georgia Mkt Cellco Partnership-Newark-Dallas Verizon Conterra Ultra Broadband, LLC County of Forsyth Coweta County DeKalb County Police Department FULTON, COUNTY OF GWINNETT, COUNTY OF Gadsden Celltelco Partnership Georgia System Operations Corporation Greene County EOC/E-911 Hall County 9-1-1 Jackson Electric Membership Corporation New Cingular Wireless PCS LLC - AL, MS, Norfolk Southern Railway Oconee County Sheriffs Office Open Range Communications Public Service Telephone Company SOUTHERN COMPANY SERVICES INC Southwestco Wireless LP (Georgia 5) Verizon Wireless (VAW) LLC (Georgia) Verizon Wireless of The East LP - (GA) Frequency Coordination and Interference Analysis Report 11/07/2011 Page 5 of 10

4. EARTH STATION COORDINATION DATA This section presents the data pertinent to frequency coordination of the proposed earth station that was circulated to all carriers within its coordination contours. Frequency Coordination and Interference Analysis Report 11/07/2011 Page 6 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Date: 11/07/2011 Job Number: 111012COMSGE01 Administrative Information Status ENGINEER PROPOSAL Call Sign E970447 Licensee Code VYVXUP Licensee Name Vyvx, LLC - Atlanta Site Information ATLANTA, GA Venue Name Latitude (NAD 83) 33° 48' 25.4" N Longitude (NAD 83) 84° 20' 27.7" W Climate Zone A Rain Zone 1 Ground Elevation (AMSL) 262.13 m / 860.0 ft Link Information Satellite Type Geostationary Mode TR - Transmit-Receive Modulation Digital Satellite Arc 65° W to 143° West Longitude Azimuth Range 147.8° to 251.3° Corresponding Elevation Angles 45.6° / 17.3° Antenna Centerline (AGL) 3.66 m / 12.0 ft Antenna Information Receive - FCC32 Transmit - FCC32 Manufacturer Andrew Andrew Model ES45MPJ ES45MPJ Gain / Diameter 43.9 dBi / 4.5 m 46.2 dBi / 4.5 m 3-dB / 15-dB Beamwidth 1.20° / 2.40° 0.94° / 1.90° Max Available RF Power (dBW/4 kHz) -9.1 (dBW/MHz) 14.9 Maximum EIRP (dBW/4 kHz) 37.1 (dBW/MHz) 61.1 Interference Objectives: Long Term -156.0 dBW/MHz 20% -154.0 dBW/4 kHz 20% Short Term -146.0 dBW/MHz 0.01% -131.0 dBW/4 kHz 0.0025% Frequency Information Receive 4.0 GHz Transmit 6.1 GHz Emission / Frequency Range (MHz) 24M0G7W - 36M0F8F / 3700.0 - 4200.0 24M0G7W - 36M0F8F / 5925.0 - 6425.0 Max Great Circle Coordination Distance 345.7 km / 214.8 mi 174.6 km / 108.5 mi Precipitation Scatter Contour Radius 589.1 km / 366.0 mi 100.0 km / 62.1 mi Frequency Coordination and Interference Analysis Report 11/07/2011 Page 7 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Coordination Values ATLANTA, GA Licensee Name Vyvx, LLC - Atlanta Latitude (NAD 83) 33° 48' 25.4" N Longitude (NAD 83) 84° 20' 27.7" W Ground Elevation (AMSL) 262.13 m / 860.0 ft Antenna Centerline (AGL) 3.66 m / 12.0 ft Antenna Model Andrew 4.5 Meter Antenna Mode Receive 4.0 GHz Transmit 6.1 GHz Interference Objectives: Long Term -156.0 dBW/MHz 20% -154.0 dBW/4 kHz 20% Short Term -146.0 dBW/MHz 0.01% -131.0 dBW/4 kHz 0.0025% Max Available RF Power -9.1 (dBW/4 kHz) Receive 4.0 GHz Transmit 6.1 GHz Horizon Antenna Horizon Coordination Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) Gain (dBi) Distance (km) 0 1.87 108.02 -10.00 198.12 -10.00 100.00 5 2.64 112.90 -10.00 179.92 -10.00 100.00 10 3.45 117.81 -10.00 159.47 -10.00 100.00 15 4.17 120.62 -10.00 145.24 -10.00 100.00 20 4.84 117.65 -10.00 135.72 -10.00 100.00 25 4.86 114.22 -10.00 135.45 -10.00 100.00 30 5.16 110.78 -10.00 133.27 -10.00 100.00 35 4.76 107.03 -10.00 136.81 -10.00 100.00 40 4.56 103.31 -10.00 139.59 -10.00 100.00 45 3.97 99.51 -10.00 148.44 -10.00 100.00 50 3.97 95.79 -10.00 148.43 -10.00 100.00 55 3.97 92.06 -10.00 148.42 -10.00 100.00 60 2.26 88.37 -10.00 188.64 -10.00 100.00 65 2.03 84.75 -10.00 193.87 -10.00 100.00 70 2.19 81.13 -10.00 190.20 -10.00 100.00 75 2.18 77.56 -10.00 190.44 -10.00 100.00 80 2.27 74.00 -10.00 188.34 -10.00 100.00 85 1.63 70.75 -10.00 204.46 -10.00 100.00 90 1.38 67.50 -10.00 208.97 -10.00 100.00 95 1.18 64.37 -10.00 214.87 -10.00 100.00 100 0.88 61.44 -10.00 226.88 -10.00 104.53 105 1.11 58.39 -10.00 216.92 -10.00 100.00 110 0.95 55.74 -10.00 223.19 -10.00 101.55 115 1.31 52.95 -10.00 211.00 -10.00 100.00 120 1.50 50.50 -10.00 205.49 -10.00 100.00 125 1.30 48.66 -10.00 211.30 -10.00 100.00 130 0.79 47.45 -9.91 232.44 -9.91 108.78 135 0.50 46.45 -9.67 252.13 -9.67 123.06 140 0.62 45.45 -9.44 245.21 -9.44 117.76 145 0.75 44.87 -9.30 237.98 -9.30 112.14 150 0.69 44.91 -9.31 241.68 -9.31 114.94 155 0.89 45.12 -9.36 229.73 -9.36 105.83 160 1.06 45.80 -9.52 220.74 -9.52 100.00 165 0.93 47.17 -9.84 224.81 -9.84 102.63 170 0.79 48.71 -10.00 231.74 -10.00 108.38 175 0.95 49.45 -10.00 222.86 -10.00 101.28 180 0.94 49.76 -10.00 223.68 -10.00 101.95 185 0.81 49.58 -10.00 230.64 -10.00 107.52 Frequency Coordination and Interference Analysis Report 11/07/2011 Page 8 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Coordination Values ATLANTA, GA Licensee Name Vyvx, LLC - Atlanta Latitude (NAD 83) 33° 48' 25.4" N Longitude (NAD 83) 84° 20' 27.7" W Ground Elevation (AMSL) 262.13 m / 860.0 ft Antenna Centerline (AGL) 3.66 m / 12.0 ft Antenna Model Andrew 4.5 Meter Antenna Mode Receive 4.0 GHz Transmit 6.1 GHz Interference Objectives: Long Term -156.0 dBW/MHz 20% -154.0 dBW/4 kHz 20% Short Term -146.0 dBW/MHz 0.01% -131.0 dBW/4 kHz 0.0025% Max Available RF Power -9.1 (dBW/4 kHz) Receive 4.0 GHz Transmit 6.1 GHz Horizon Antenna Horizon Coordination Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) Gain (dBi) Distance (km) 190 0.76 48.74 -10.00 233.63 -10.00 109.85 195 0.65 47.38 -9.89 240.64 -9.89 115.03 200 0.63 45.44 -9.44 244.94 -9.44 117.55 205 0.91 42.82 -8.79 231.50 -8.79 106.42 210 0.90 40.07 -8.07 235.99 -8.07 108.88 215 1.06 36.91 -7.18 233.29 -7.18 105.51 220 0.86 33.77 -6.21 249.69 -6.21 116.35 225 0.79 30.32 -5.04 261.54 -5.04 122.92 230 0.80 26.67 -3.65 269.93 -3.65 126.55 235 0.48 23.25 -2.16 303.75 -2.16 146.10 240 0.41 20.22 -0.64 323.67 -0.64 157.75 245 0.31 18.08 0.57 345.75 0.57 174.64 250 0.37 16.98 1.25 343.49 1.25 171.28 255 0.52 17.18 1.13 324.67 1.13 154.75 260 0.54 18.84 0.12 315.89 0.12 150.13 265 0.30 21.72 -1.42 333.05 -1.42 168.71 270 0.00 25.28 -3.07 333.61 -3.07 172.72 275 0.41 28.84 -4.50 295.87 -4.50 144.58 280 0.41 32.95 -5.95 285.96 -5.95 139.86 285 1.18 36.96 -7.19 229.34 -7.19 102.44 290 1.54 41.33 -8.41 211.86 -8.41 100.00 295 1.68 45.89 -9.54 205.09 -9.54 100.00 300 1.68 50.55 -10.00 203.05 -10.00 100.00 305 1.54 55.29 -10.00 204.47 -10.00 100.00 310 1.42 60.04 -10.00 207.80 -10.00 100.00 315 1.64 64.77 -10.00 204.35 -10.00 100.00 320 1.87 69.52 -10.00 198.14 -10.00 100.00 325 2.08 74.31 -10.00 192.64 -10.00 100.00 330 1.95 79.13 -10.00 195.94 -10.00 100.00 335 1.73 83.95 -10.00 201.80 -10.00 100.00 340 1.65 88.77 -10.00 203.98 -10.00 100.00 345 1.36 93.58 -10.00 209.57 -10.00 100.00 350 1.67 98.40 -10.00 203.37 -10.00 100.00 355 1.95 103.22 -10.00 195.97 -10.00 100.00 Frequency Coordination and Interference Analysis Report 11/07/2011 Page 9 of 10

5. CERTIFICATION I HEREBY CERTIFY THAT I AM THE TECHNICALLY QUALIFIED PERSON RESPONSIBLE FOR THE PREPARATION OF THE FREQUENCY COORDINATION DATA CONTAINED IN THIS APPLICATION, THAT I AM FAMILIAR WITH PARTS 101 AND 25 OF THE FCC RULES AND REGULATIONS, THAT I HAVE EITHER PREPARED OR REVIEWED THE FREQUENCY COORDINATION DATA SUBMITTED WITH THIS APPLICATION, AND THAT IT IS COMPLETE AND CORRECT TO THE BEST OF MY KNOWLEDGE AND BELIEF. BY: _ Gary K. Edwards Senior Manager COMSEARCH 19700 Janelia Farm Boulevard Ashburn, VA 20147 DATED: November 07, 2011 Frequency Coordination and Interference Analysis Report 11/07/2011 Page 10 of 10


Document Created: 2011-11-07 09:12:07
Document Modified: 2011-11-07 09:12:07
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